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用聚焦法测试渐变型聚合物光纤的折射率分布,根据折射率分布曲线计算折射率分布指数和理论带宽值,与聚合物光纤带宽的实测值相比较,理论值与实验值相吻合.
The refractive index distribution of the graded polymer optical fiber was measured by the focusing method. The refractive index distribution index and the theoretical bandwidth value were calculated according to the refractive index distribution curve. Compared with the measured values of the polymer optical fiber bandwidth, the theoretical value was consistent with the experimental value.